<!-- Your scripts will run before Storybook’s React UI. Also be aware, that this is an uncommon scenario and could potentially break Storybook’s UI. So use with caution. -->
<script>
  document.addEventListener("DOMContentLoaded", function(event) {
    var eles = document.getElementsByClassName('Pane2')
    if (eles.length >= 2 && eles[1]) {
      eles[1].style.flex = '2 0 0%';
    }
  });
</script>